AP Biology Unit 2 Review

Front

What is the function of the vacuole?

Back

A vacuole is a sac that stores water, nutrients, and waste products in a cell.

Front

I am packing and shipping machine! Who am I?

Back

The Golgi apparatus is the packing and shipping machine of the cell.

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a membrane.

Front

What happens to NaCl in water?

Back

NaCl dissociates into 2 particles: Na+ and Cl-.

Front

What is the osmotic potential of a 0.1M NaCl solution?

Back

The osmotic potential (Ψ) of a 0.1M NaCl solution is -4.87 bars.

Front

In which direction does water flow in a hypertonic solution?

Back

Water flows out of the root (into the solution) in a hypertonic solution.

Front

What type of cellular transport is exocytosis?

Back

Exocytosis is a type of active transport that moves materials out of the cell.

Front

What is passive transport?

Back

Passive transport is the movement of substances across a cell membrane without the use of energy.

Front

Define endocytosis.

Back

Endocytosis is the process by which cells engulf substances from their external environment.

Front

What is the role of the ribosome?

Back

Ribosomes are the cellular structures responsible for protein synthesis.